Hopkins, C. T. (1869). Common sense applied to the immigrant question: Showing why the "California immigrant union" was founded and what it expects to do. Turnbull & Smith, Printers.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Hopkins, Caspar T. Common Sense Applied to the Immigrant Question: Showing Why the "California Immigrant Union" Was Founded and What It Expects to Do. San Francisco: Turnbull & Smith, Printers, 1869.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Hopkins, Caspar T. Common Sense Applied to the Immigrant Question: Showing Why the "California Immigrant Union" Was Founded and What It Expects to Do. Turnbull & Smith, Printers, 1869.
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